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39 Dell PowerEdge R220 Technical Guide

Environmental specifications

Table 23 details the environmental specifications for the R220. For additional information about

environmental measurements for specific system configurations, see

Dell.com/environmental_datasheets.

Environmental specifications Table 23.

Fresh Air: temperature, humidity, altitude de-rating

Continuous

operation

10°C to 35°C (50°F to 95°F) at 10% to 80% relative humidity with 29°C (84.2°F) maximum

dew point (maximum wet bulb temperature). De-rate maximum allowable dry bulb

temperature at 1°C per 300m above 950m (1°F per 547ft above 3117ft).

Expanded

operation

When operating in the expanded temperature range, system performance may be impacted,

and ambient temperature warnings may be reported on the LCD and in the System Event

Log.

≤ 10% of annual operating hours: 5°C to 10°C and 35°C to 40°C (with no direct sunlight on

the equipment) at 5% to 85% relative humidity with 26°C dew point (maximum wet bulb

temperature). Outside the standard operating temperature (10°C to 35°C), the system can

operate down to 5°C or up to 40°C for a maximum of 10% of its annual operating hours. For

temperatures between 35°C and 40°C (95°F to 104°F), de-rate maximum allowable dry bulb

temperature by 1°C per 175m above 950m (1°F per 319ft above 3117ft).

≤ 1% of annual operating hours: –5°C to 5°C and 40°C to 45°C (with no direct sunlight on

the equipment) at 5% to 90% relative humidity with 26°C dew point (maximum wet bulb

temperature). Outside the standard operating temperature (10°C to 35°C), the system can

operate down to –5°C or up to 45°C for a maximum of 1% of its annual operating hours. For

temperatures between 40°C and 45°C (104°F to 113°F), de-rate maximum allowable dry bulb

temperature by 1°C per 125m above 950m (1°F per 228ft above 3117ft).

Expanded operation restrictions:

 No cold startup below 5°C

 Maximum altitude for the operating temperature must be 3050m (10,000ft)

 Not supported:

— Peripheral cards not qualified by Dell

— Peripheral cards greater than 25W

— PCIe SSD drives

— GPU cards

— Express flash

— LRDIMM

— Non-redundant PSU configurations

Temperature

Operating

See Fresh Air for temperature information

Storage

–40°C to 65°C (–40°F to 149°F) with a maximum temperature gradation of 20°C per hour

Relative humidity

Operating

See Dell Fresh Air for relative humidity information

Storage

5% to 95% at a maximum wet bulb temperature of 33°C (91°F); atmosphere must be non-

condensing at all times

Maximum vibration

Operating

0.26 Grms at 5–350Hz for 15 min (in all operation orientations)

Storage

1.87 Grms at 10Hz to 500Hz for 15 minutes (all six sides tested)

Maximum shock

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